<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

    <style>
        form input {
          border-radio: 12px;
        }
    </style>
</head>
<body>
  <form action="/demo" method="get">
        <input type="text" name="name" />  <br>
        <input type="number"  name="passwd"/><br>

    <!--<input type="checkbox" name="hobby" value="1"/>游泳
        <input type="checkbox"  name="hobby" value="2" />爬山<br>-->

        <input type="submit" value="Login"/>
  </form>
</body>
</html>